Skip to contentSkip to conversation

vnc dynamic resolution

PATCH In review Stefano Stabellini 2 participants 2 messages Aug 28, 2008 – Sep 2, 2008

lore
Share & tools
lore

Stefano Stabellini

author
#0 lore raw

PATCH 1/1 vnc dynamic resolution

This patch implements dynamic colour depth changes in vnc.c:
this way the vnc server can change its own internal colour depth at run time to follow any guest resolution change.

Signed-off-by Stefano Stabellini <[email protected]>

---

console.c +1 -8
index 1c94980..cb85272 100644
@@ -190,16 +190,9 @@ static unsigned int vga_get_color(DisplayState *ds, unsigned int rgba)
     unsigned int r, g, b, color;
 
     switch(ds->depth) {
-#if 0
     case 8:
-        r = (rgba >> 16) & 0xff;
-        g = (rgba >> 8) & 0xff;
-        b = (rgba) & 0xff;
-        color = (rgb_to_index[r] * 6 * 6) +
-            (rgb_to_index[g] * 6) +
-            (rgb_to_index[b]);
+        color = ((r >> 5) << 5 | (g >> 5) << 2 | (b >> 6));
         break;
-#endif
     case 15:
         r = (rgba >> 16) & 0xff;
         g = (rgba >> 8) & 0xff;
vnc.c +179 -61

357 lines not on this page · raw message

vnchextile.h +6 -6
index 09c1b27..eb05feb 100644
@@ -2,29 +2,29 @@
 #define CONCAT(a, b) CONCAT_I(a, b)
 #define pixel_t CONCAT(uint, CONCAT(BPP, _t))
 #ifdef GENERIC
-#define NAME generic
+#define NAME CONCAT(generic_, BPP)
 #else
 #define NAME BPP
 #endif
 
 static void CONCAT(send_hextile_tile_, NAME)(VncState *vs,
                                              int x, int y, int w, int h,
-                                             uint32_t *last_bg32,
-                                             uint32_t *last_fg32,
+                                             void *last_bg_,
+                                             void *last_fg_,
                                              int *has_bg, int *has_fg)
 {
     uint8_t *row = (vs->ds->data + y * vs->ds->linesize + x * vs->depth);
     pixel_t *irow = (pixel_t *)row;
     int j, i;
-    pixel_t *last_bg = (pixel_t *)last_bg32;
-    pixel_t *last_fg = (pixel_t *)last_fg32;
+    pixel_t *last_bg = (pixel_t *)last_bg_;
+    pixel_t *last_fg = (pixel_t *)last_fg_;
     pixel_t bg = 0;
     pixel_t fg = 0;
     int n_colors = 0;
     int bg_count = 0;
     int fg_count = 0;
     int flags = 0;
-    uint8_t data[(sizeof(pixel_t) + 2) * 16 * 16];
+    uint8_t data[(vs->pix_bpp + 2) * 16 * 16];
     int n_data = 0;
     int n_subtiles = 0;